31420466156145 has 64 divisors (see below), whose sum is σ = 55737498645504. Its totient is φ = 14986312830720.

The previous prime is 31420466156113. The next prime is 31420466156171. The reversal of 31420466156145 is 54165166402413.

It is not a de Polignac number, because 31420466156145 - 2⁵ = 31420466156113 is a prime.

It is a super-2 number, since 2×31420466156145² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31420466156094 and 31420466156103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6164574 + ... + 10042056.

It is an arithmetic number, because the mean of its divisors is an integer number (870898416336).

Almost surely, 2^{31420466156145} is an apocalyptic number.

It is an amenable number.

31420466156145 is a deficient number, since it is larger than the sum of its proper divisors (24317032489359).

31420466156145 is a wasteful number, since it uses less digits than its factorization.

31420466156145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878302.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 31420466156145 in words is "thirty-one trillion, four hundred twenty billion, four hundred sixty-six million, one hundred fifty-six thousand, one hundred forty-five".