31264354054420 has 24 divisors (see below), whose sum is σ = 69517210780584. Its totient is φ = 11770109761536.

The previous prime is 31264354054379. The next prime is 31264354054429. The reversal of 31264354054420 is 2445045346213.

It can be written as a sum of positive squares in 4 ways, for example, as 5412295156356 + 25852058898064 = 2326434^2 + 5084492^2 .

It is a super-3 number, since 3×31264354054420³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31264354054429) 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, 45976990917 + ... + 45976991596.

It is an arithmetic number, because the mean of its divisors is an integer number (2896550449191).

Almost surely, 2^{31264354054420} is an apocalyptic number.

It is an amenable number.

31264354054420 is an abundant number, since it is smaller than the sum of its proper divisors (38252856726164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31264354054420 is a wasteful number, since it uses less digits than its factorization.

31264354054420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91953982539 (or 91953982537 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 31264354054420 in words is "thirty-one trillion, two hundred sixty-four billion, three hundred fifty-four million, fifty-four thousand, four hundred twenty".