45621540101031 has 32 divisors (see below), whose sum is σ = 65019293982720. Its totient is φ = 28353270081024.

The previous prime is 45621540101021. The next prime is 45621540101047. The reversal of 45621540101031 is 13010104512654.

It is not a de Polignac number, because 45621540101031 - 2⁶ = 45621540100967 is a prime.

It is a super-2 number, since 2×45621540101031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 45621540100983 and 45621540101001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45621540101021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15447466 + ... + 18162248.

It is an arithmetic number, because the mean of its divisors is an integer number (2031852936960).

Almost surely, 2^{45621540101031} is an apocalyptic number.

45621540101031 is a deficient number, since it is larger than the sum of its proper divisors (19397753881689).

45621540101031 is a wasteful number, since it uses less digits than its factorization.

45621540101031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717935.

The product of its (nonzero) digits is 14400, while the sum is 33.

Adding to 45621540101031 its reverse (13010104512654), we get a palindrome (58631644613685).

The spelling of 45621540101031 in words is "forty-five trillion, six hundred twenty-one billion, five hundred forty million, one hundred one thousand, thirty-one".