31146501041245 has 8 divisors (see below), whose sum is σ = 37375864134840. Its totient is φ = 24917158909440.

The previous prime is 31146501041237. The next prime is 31146501041287. The reversal of 31146501041245 is 54214010564113.

It can be written as a sum of positive squares in 4 ways, for example, as 4283198628921 + 26863302412324 = 2069589^2 + 5182982^2 .

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

It is not a de Polignac number, because 31146501041245 - 2³ = 31146501041237 is a prime.

It is a super-2 number, since 2×31146501041245² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1761580 + ... + 8086789.

It is an arithmetic number, because the mean of its divisors is an integer number (4671983016855).

Almost surely, 2^{31146501041245} is an apocalyptic number.

It is an amenable number.

31146501041245 is a deficient number, since it is larger than the sum of its proper divisors (6229363093595).

31146501041245 is an equidigital number, since it uses as much as digits as its factorization.

31146501041245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10480895.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 31146501041245 in words is "thirty-one trillion, one hundred forty-six billion, five hundred one million, forty-one thousand, two hundred forty-five".