145031522132031 has 16 divisors (see below), whose sum is σ = 203666793993600. Its totient is φ = 91547654869728.

The previous prime is 145031522132011. The next prime is 145031522132099. The reversal of 145031522132031 is 130231225130541.

It is a happy number.

It is not a de Polignac number, because 145031522132031 - 2²² = 145031517937727 is a prime.

It is a super-2 number, since 2×145031522132031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 145031522131983 and 145031522132001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145031522132011) 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, 711025101 + ... + 711229046.

It is an arithmetic number, because the mean of its divisors is an integer number (12729174624600).

Almost surely, 2^{145031522132031} is an apocalyptic number.

145031522132031 is a deficient number, since it is larger than the sum of its proper divisors (58635271861569).

145031522132031 is a wasteful number, since it uses less digits than its factorization.

145031522132031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422255958.

The product of its (nonzero) digits is 21600, while the sum is 33.

Adding to 145031522132031 its reverse (130231225130541), we get a palindrome (275262747262572).

The spelling of 145031522132031 in words is "one hundred forty-five trillion, thirty-one billion, five hundred twenty-two million, one hundred thirty-two thousand, thirty-one".