245402504031 has 16 divisors (see below), whose sum is σ = 334229497344. Its totient is φ = 160089931584.

The previous prime is 245402504029. The next prime is 245402504041. The reversal of 245402504031 is 130405204542.

It is not a de Polignac number, because 245402504031 - 2¹ = 245402504029 is a prime.

It is a super-2 number, since 2×245402504031² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 245402504031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245402504041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 578460 + ... + 908526.

It is an arithmetic number, because the mean of its divisors is an integer number (20889343584).

Almost surely, 2^245402504031 is an apocalyptic number.

245402504031 is a deficient number, since it is larger than the sum of its proper divisors (88826993313).

245402504031 is a wasteful number, since it uses less digits than its factorization.

245402504031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335390.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 245402504031 its reverse (130405204542), we get a palindrome (375807708573).

The spelling of 245402504031 in words is "two hundred forty-five billion, four hundred two million, five hundred four thousand, thirty-one".