155231252310 has 16 divisors (see below), whose sum is σ = 372555005616. Its totient is φ = 41395000608.

The previous prime is 155231252249. The next prime is 155231252317. The reversal of 155231252310 is 13252132551.

It is a super-2 number, since 2×155231252310² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5174375077 = 155231252310 / (1 + 5 + 5 + 2 + 3 + 1 + 2 + 5 + 2 + 3 + 1 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155231252317) 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, 2587187509 + ... + 2587187568.

It is an arithmetic number, because the mean of its divisors is an integer number (23284687851).

Almost surely, 2^155231252310 is an apocalyptic number.

155231252310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155231252310 is an abundant number, since it is smaller than the sum of its proper divisors (217323753306).

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

155231252310 is a wasteful number, since it uses less digits than its factorization.

155231252310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174375087.

The product of its (nonzero) digits is 9000, while the sum is 30.

Adding to 155231252310 its reverse (13252132551), we get a palindrome (168483384861).

The spelling of 155231252310 in words is "one hundred fifty-five billion, two hundred thirty-one million, two hundred fifty-two thousand, three hundred ten".