61012142431 has 8 divisors (see below), whose sum is σ = 62050467600. Its totient is φ = 59973958080.

The previous prime is 61012142357. The next prime is 61012142459. The reversal of 61012142431 is 13424121016.

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

It is a cyclic number.

It is not a de Polignac number, because 61012142431 - 2¹¹ = 61012140383 is a prime.

It is a super-2 number, since 2×61012142431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 61012142396 and 61012142405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61012143431) 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, 1209625 + ... + 1259053.

It is an arithmetic number, because the mean of its divisors is an integer number (7756308450).

Almost surely, 2^61012142431 is an apocalyptic number.

61012142431 is a deficient number, since it is larger than the sum of its proper divisors (1038325169).

61012142431 is a wasteful number, since it uses less digits than its factorization.

61012142431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70409.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 61012142431 its reverse (13424121016), we get a palindrome (74436263447).

The spelling of 61012142431 in words is "sixty-one billion, twelve million, one hundred forty-two thousand, four hundred thirty-one".