210131042154 has 32 divisors (see below), whose sum is σ = 459078312960. Its totient is φ = 63591270000.

The previous prime is 210131042131. The next prime is 210131042159. The reversal of 210131042154 is 451240131012.

It is a super-2 number, since 2×210131042154² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (210131042159) 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, 2070144 + ... + 2169275.

It is an arithmetic number, because the mean of its divisors is an integer number (14346197280).

Almost surely, 2^210131042154 is an apocalyptic number.

210131042154 is an abundant number, since it is smaller than the sum of its proper divisors (248947270806).

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

210131042154 is a wasteful number, since it uses less digits than its factorization.

210131042154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4240186.

The product of its (nonzero) digits is 960, while the sum is 24.

Adding to 210131042154 its reverse (451240131012), we get a palindrome (661371173166).

The spelling of 210131042154 in words is "two hundred ten billion, one hundred thirty-one million, forty-two thousand, one hundred fifty-four".