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1012012331 = 11293313997
BaseRepresentation
bin111100010100100…
…001010100101011
32121112021112221012
4330110201110223
54033033343311
6244230534135
734035651161
oct7424412453
92545245835
101012012331
1147a288930
12242b0734b
13131884985
1498597231
155dca578b
hex3c52152b

1012012331 has 8 divisors (see below), whose sum is σ = 1107784944. Its totient is φ = 916868320.

The previous prime is 1012012301. The next prime is 1012012367. The reversal of 1012012331 is 1332102101.

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-1012012331 is a prime.

It is a super-2 number, since 2×10120123312 = 2048337916192107122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1012012301) 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, 153776 + ... + 160221.

It is an arithmetic number, because the mean of its divisors is an integer number (138473118).

Almost surely, 21012012331 is an apocalyptic number.

1012012331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1012012331 is a deficient number, since it is larger than the sum of its proper divisors (95772613).

1012012331 is a wasteful number, since it uses less digits than its factorization.

1012012331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314301.

The product of its (nonzero) digits is 36, while the sum is 14.

The square root of 1012012331 is about 31812.1412514153. The cubic root of 1012012331 is about 1003.9881835802.

Adding to 1012012331 its reverse (1332102101), we get a palindrome (2344114432).

The spelling of 1012012331 in words is "one billion, twelve million, twelve thousand, three hundred thirty-one".

Divisors: 1 11 293 3223 313997 3453967 92001121 1012012331