31461125027 has 4 divisors (see below), whose sum is σ = 31904239536. Its totient is φ = 31018010520.

The previous prime is 31461125011. The next prime is 31461125029. The reversal of 31461125027 is 72052116413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31461125027 - 2⁴ = 31461125011 is a prime.

It is a super-3 number, since 3×31461125027³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31461124984 and 31461125002.

It is not an unprimeable number, because it can be changed into a prime (31461125029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221557148 + ... + 221557289.

It is an arithmetic number, because the mean of its divisors is an integer number (7976059884).

Almost surely, 2^31461125027 is an apocalyptic number.

31461125027 is a deficient number, since it is larger than the sum of its proper divisors (443114509).

31461125027 is an equidigital number, since it uses as much as digits as its factorization.

31461125027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443114508.

The product of its (nonzero) digits is 10080, while the sum is 32.

The spelling of 31461125027 in words is "thirty-one billion, four hundred sixty-one million, one hundred twenty-five thousand, twenty-seven".