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31425124415441 = 142735311623653
BaseRepresentation
bin1110010010100101110110…
…11000001011011111010001
311010021012201221201002200012
413021102323120023133101
513104332123322243231
6150500300341204305
76422250610141661
oct711227330133721
9133235657632605
1031425124415441
11a016358532549
123636496700695
13146c4b8291223
147a8dac6881a1
1539768d9d4e2b
hex1c94bb60b7d1

31425124415441 has 8 divisors (see below), whose sum is σ = 31448087228544. Its totient is φ = 31402162923120.

The previous prime is 31425124415407. The next prime is 31425124415449. The reversal of 31425124415441 is 14451442152413.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31425124415441 is a prime.

It is a super-3 number, since 3×314251244154413 (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31425124415449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50076971 + ... + 50700623.

It is an arithmetic number, because the mean of its divisors is an integer number (3931010903568).

Almost surely, 231425124415441 is an apocalyptic number.

It is an amenable number.

31425124415441 is a deficient number, since it is larger than the sum of its proper divisors (22962813103).

31425124415441 is a wasteful number, since it uses less digits than its factorization.

31425124415441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660391.

The product of its digits is 307200, while the sum is 41.

Adding to 31425124415441 its reverse (14451442152413), we get a palindrome (45876566567854).

The spelling of 31425124415441 in words is "thirty-one trillion, four hundred twenty-five billion, one hundred twenty-four million, four hundred fifteen thousand, four hundred forty-one".

Divisors: 1 1427 35311 623653 50388797 889952831 22021811083 31425124415441